Home / 18,858.72-28,298.70-17,371.56

Finding the Fourth Proportional to 18,858.72, 28,298.70 and 17,371.56

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Solution

The fourth proportional to 18,858.72, 28,298.70 and 17,371.56 is: 26,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.72 : 28,298.70 = 17,371.56 : x
  2. Step 2: Convert to fraction form
    18,858.72/28,298.70 = 17,371.56/x
  3. Step 3: Cross multiply
    18,858.72x = 28,298.70 × 17,371.56
  4. Step 4: Simplify right side
    18,858.72x = 491,592,564.97
  5. Step 5: Solve for x
    x = 491,592,564.97/18,858.72
  6. Step 6: Final answer
    x = 26,067.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.